.card{
    border:1px solid #ddd;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
    border-radius: .2rem;
    .card-header{
        padding:.5rem 1rem;
        border-bottom: 1px solid #ddd;
    }
    .card-body{
        padding:1rem;
    }
    .card-footer{
        padding:1rem;
        border-top: 1px solid #ddd;
    }
}